Added a unit test for backstackVisible

CrossPlatformModules.csproj

@@ -143,6 +143,7 @@
     </TypeScriptCompile>
     <TypeScriptCompile Include="apps\animations\model.ts" />
     <TypeScriptCompile Include="apps\orientation-demo\main-page.ts" />
+    <TypeScriptCompile Include="apps\tests\navigation-tests.ts" />
     <TypeScriptCompile Include="apps\tests\ui\animation\animation-tests.ts" />
     <TypeScriptCompile Include="apps\tests\ui\search-bar\search-bar-tests-native.android.ts" />
     <TypeScriptCompile Include="apps\tests\ui\search-bar\search-bar-tests-native.d.ts" />
@@ -1950,7 +1951,7 @@
           <SaveServerSettingsInUserFile>False</SaveServerSettingsInUserFile>
         </WebProjectProperties>
       </FlavorProperties>
-      <UserProperties ui_2layouts_2wrap-layout_2package_1json__JSONSchema="http://json.schemastore.org/package" ui_2layouts_2grid-layout_2package_1json__JSONSchema="" ui_2layouts_2dock-layout_2package_1json__JSONSchema="" ui_2layouts_2absolute-layout_2package_1json__JSONSchema="http://json.schemastore.org/package" ui_2layouts_2linear-layout_2package_1json__JSONSchema="http://json.schemastore.org/package" ui_2web-view_2package_1json__JSONSchema="http://json.schemastore.org/package" ui_2content-view_2package_1json__JSONSchema="http://json.schemastore.org/package" apps_2gallery-app_2package_1json__JSONSchema="http://json.schemastore.org/package" apps_2absolute-layout-demo_2package_1json__JSONSchema="http://json.schemastore.org/package" apps_2editable-text-demo_2package_1json__JSONSchema="http://json.schemastore.org/package" ui_2scroll-view_2package_1json__JSONSchema="http://json.schemastore.org/package" />
+      <UserProperties ui_2scroll-view_2package_1json__JSONSchema="http://json.schemastore.org/package" apps_2editable-text-demo_2package_1json__JSONSchema="http://json.schemastore.org/package" apps_2absolute-layout-demo_2package_1json__JSONSchema="http://json.schemastore.org/package" apps_2gallery-app_2package_1json__JSONSchema="http://json.schemastore.org/package" ui_2content-view_2package_1json__JSONSchema="http://json.schemastore.org/package" ui_2web-view_2package_1json__JSONSchema="http://json.schemastore.org/package" ui_2layouts_2linear-layout_2package_1json__JSONSchema="http://json.schemastore.org/package" ui_2layouts_2absolute-layout_2package_1json__JSONSchema="http://json.schemastore.org/package" ui_2layouts_2dock-layout_2package_1json__JSONSchema="" ui_2layouts_2grid-layout_2package_1json__JSONSchema="" ui_2layouts_2wrap-layout_2package_1json__JSONSchema="http://json.schemastore.org/package" />
     </VisualStudio>
   </ProjectExtensions>
 </Project>

apps/tests/navigation-tests.ts

@@ -0,0 +1,32 @@
+import TKUnit = require("./TKUnit");
+import pageModule = require("ui/page");
+import frame = require("ui/frame");
+
+export var test_backstackVisible = function() {
+    var pageFactory = function (): pageModule.Page {
+        return new pageModule.Page();
+    };
+
+    var mainTestPage = frame.topmost().currentPage;
+    frame.topmost().navigate({ create: pageFactory });
+    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage !== mainTestPage; });
+
+    // page1 should not be added to the backstack
+    var page0 = frame.topmost().currentPage;
+    frame.topmost().navigate({ create: pageFactory, backstackVisible: false });
+    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage !== page0; });
+
+    var page1 = frame.topmost().currentPage;
+    frame.topmost().navigate({ create: pageFactory });
+    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage !== page1; });
+
+    var page2 = frame.topmost().currentPage;
+    frame.topmost().goBack();
+    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage !== page2; });
+
+    // From page2 we have to go directly to page0, skipping page1.
+    TKUnit.assert(frame.topmost().currentPage === page0, "Page 1 should be skipped when going back.");
+
+    frame.topmost().goBack();
+    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage === mainTestPage; });
+}

apps/tests/testRunner.ts

@@ -79,6 +79,7 @@ allTests["REPEATER"] = require("./ui/repeater/repeater-tests");
 allTests["SEARCH-BAR"] = require('./ui/search-bar/search-bar-tests');
 allTests["CONNECTIVITY"] = require("./connectivity-tests");
 allTests["ANIMATION"] = require("./ui/animation/animation-tests");
+allTests["NAVIGATION"] = require("./navigation-tests");
 
 if (!isRunningOnEmulator()) {
     allTests["LOCATION"] = require("./location-tests");